/* SVG Icon Styles for Card Numbers */
.card-number svg {
    width: 5rem;
    height: 5rem;
    display: block;
    opacity: 0.3;
    transition: opacity 0.6s ease, filter 0.6s ease;
}

.service-card:hover .card-number svg,
.service-card.active .card-number svg {
    opacity: 1;
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.5));
}

/* Mobile responsive sizing */
@media (max-width: 768px) {
    .card-number svg {
        width: 4rem;
        height: 4rem;
    }
}